Update accmod for latest restrictions

cli/pom.xml

@@ -27,7 +27,6 @@
     <dependency>
         <groupId>org.kohsuke</groupId>
         <artifactId>access-modifier-annotation</artifactId>
-        <version>1.7</version>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>

core/pom.xml

@@ -575,7 +575,6 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.kohsuke</groupId>
       <artifactId>access-modifier-annotation</artifactId>
-      <version>1.4</version>
     </dependency>
 
     <dependency>

pom.xml

@@ -95,6 +95,9 @@ THE SOFTWARE.
     <findbugs-maven-plugin.version>3.0.4</findbugs-maven-plugin.version>
     <findbugs.failOnError>true</findbugs.failOnError>
     <test-annotations.version>1.2</test-annotations.version>
+    <access-modifier.version>1.12</access-modifier.version>
+    <access-modifier-annotation.version>${access-modifier.version}</access-modifier-annotation.version> <!-- differing only where needed for timestamped snapshots -->
+    <access-modifier-checker.version>${access-modifier.version}</access-modifier-checker.version>
 
     <java.level>8</java.level>
 
@@ -223,6 +226,11 @@ THE SOFTWARE.
         <artifactId>jcifs</artifactId>
         <version>1.3.17-kohsuke-1</version>
       </dependency>
+      <dependency>
+        <groupId>org.kohsuke</groupId>
+        <artifactId>access-modifier-annotation</artifactId>
+        <version>${access-modifier-annotation.version}</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -432,7 +440,7 @@ THE SOFTWARE.
         <plugin>
           <groupId>org.kohsuke</groupId>
           <artifactId>access-modifier-checker</artifactId>
-          <version>1.7</version>
+          <version>${access-modifier-checker.version}</version>
         </plugin>
         <plugin>
           <groupId>com.cloudbees</groupId>