Update all non-major dependencies to v3.1.0
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 186cd29..f35e8f6 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -60,12 +60,12 @@
<flatten-plugin.version>1.4.1</flatten-plugin.version>
<jar-plugin.version>3.3.0</jar-plugin.version>
<maven-scm-plugin.version>2.0.0</maven-scm-plugin.version>
- <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
+ <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
<maven-javadoc-plugin.version>3.5.0</maven-javadoc-plugin.version>
<maven-source-plugin.version>3.2.1</maven-source-plugin.version>
<nexus-staging-plugin.version>1.6.13</nexus-staging-plugin.version>
<spotless-plugin.version>2.36.0</spotless-plugin.version>
- <surefire-plugin.version>3.0.0</surefire-plugin.version>
+ <surefire-plugin.version>3.1.0</surefire-plugin.version>
<versions-plugin.version>2.15.0</versions-plugin.version>
<apiguardian.version>1.1.2</apiguardian.version>