Update plugin versions

* maven-assembly-plugin: 3.1.1 -> 3.2.0
* maven-invoker-plugin: 3.2.0 -> 3.2.1
* maven-jar-plugin: 3.1.2 -> 3.2.0
* maven-javadoc-plugin: 3.1.0 -> 3.1.1
* maven-shade-plugin: 3.2.1 -> 3.2.2
* maven-site-plugin: 3.7.1 -> 3.8.2
* maven-source-plugin: 3.1.0 -> 3.2.1
* formatter-maven-plugin: 2.10.0 -> 2.11.0
* impsort-maven-plugin: 1.2.0 -> 1.3.2
* revapi-maven-plugin: 0.11.4 -> 0.11.5

And standardize the property name for the findbugs-maven-plugin.

Author: ctrueden

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>org.scijava</groupId>
 	<artifactId>pom-scijava-base</artifactId>
-	<version>11.1.3-SNAPSHOT</version>
+	<version>11.2.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>SciJava Base POM</name>
@@ -221,7 +221,7 @@
 
 		<!-- Core Maven plugins -->
 		<maven-antrun-plugin.version>1.8</maven-antrun-plugin.version>
-		<maven-assembly-plugin.version>3.1.1</maven-assembly-plugin.version>
+		<maven-assembly-plugin.version>3.2.0</maven-assembly-plugin.version>
 		<maven-clean-plugin.version>3.1.0</maven-clean-plugin.version>
 		<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
 		<maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>
@@ -230,15 +230,15 @@
 		<maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
 		<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
 		<maven-install-plugin.version>2.5.2</maven-install-plugin.version>
-		<maven-invoker-plugin.version>3.2.0</maven-invoker-plugin.version>
-		<maven-jar-plugin.version>3.1.2</maven-jar-plugin.version>
-		<maven-javadoc-plugin.version>3.1.0</maven-javadoc-plugin.version>
+		<maven-invoker-plugin.version>3.2.1</maven-invoker-plugin.version>
+		<maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
+		<maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
 		<maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>
 		<maven-release-plugin.version>2.5.3</maven-release-plugin.version>
 		<maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
-		<maven-shade-plugin.version>3.2.1</maven-shade-plugin.version>
-		<maven-site-plugin.version>3.7.1</maven-site-plugin.version>
-		<maven-source-plugin.version>3.1.0</maven-source-plugin.version>
+		<maven-shade-plugin.version>3.2.2</maven-shade-plugin.version>
+		<maven-site-plugin.version>3.8.2</maven-site-plugin.version>
+		<maven-source-plugin.version>3.2.1</maven-source-plugin.version>
 		<maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
 
 		<!-- Mojohaus Maven plugins -->
@@ -252,13 +252,13 @@
 
 		<!-- Other Maven plugins -->
 		<dokka-maven-plugin.version>0.9.18</dokka-maven-plugin.version>
-		<formatter-maven-plugin.version>2.10.0</formatter-maven-plugin.version>
-		<impsort-maven-plugin.version>1.2.0</impsort-maven-plugin.version>
+		<formatter-maven-plugin.version>2.11.0</formatter-maven-plugin.version>
+		<impsort-maven-plugin.version>1.3.2</impsort-maven-plugin.version>
 		<jacoco-maven-plugin.version>0.8.5</jacoco-maven-plugin.version>
 		<javafx-maven-plugin.version>8.8.3</javafx-maven-plugin.version>
 		<maven-graph-plugin.version>1.45</maven-graph-plugin.version>
 		<nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
-		<revapi-maven-plugin.version>0.11.4</revapi-maven-plugin.version>
+		<revapi-maven-plugin.version>0.11.5</revapi-maven-plugin.version>
 		<scijava-maven-plugin.version>2.0.0</scijava-maven-plugin.version>
 
 		<!-- Plugin dependencies -->
@@ -1940,7 +1940,7 @@
 				<activeByDefault>false</activeByDefault>
 			</activation>
 			<properties>
-				<findbugs.maven.version>3.0.5</findbugs.maven.version>
+				<findbugs-maven-plugin.version>3.0.5</findbugs-maven-plugin.version>
 				<findbugs.failOnError>false</findbugs.failOnError>
 			</properties>
 			<build>
@@ -1949,7 +1949,7 @@
 						<plugin>
 							<groupId>org.codehaus.mojo</groupId>
 							<artifactId>findbugs-maven-plugin</artifactId>
-							<version>${findbugs.maven.version}</version>
+							<version>${findbugs-maven-plugin.version}</version>
 							<executions>
 								<execution>
 									<id>findbugs</id>