javaPackages: add upgraded packages

These are packages required to build Sourcetrail Java support

- maven-compiler-plugin 3.2
- plexus-compiler-api 2.4
- plexus-compiler-javac 2.4
- plexus-compiler-manager 2.4

pkgs/development/java-modules/plexus/compiler-api.nix

@@ -11,4 +11,15 @@
     { type = "jar"; sha512 = "3by7icjfiymp7g2v1ci5dqwml6ibzh2njyg2w43kvaz3ydcxkzmfg5s97wsdqjsii7vdgqyhr16ydsn6mr90wbjvsi6wasaq1rqa812"; }
     { type = "pom"; sha512 = "0pdl78hp921lgkfya54wl8hxgm1c5474j1p921q5ix1knx1rlr4klpjwx212wy2m7b6bxq0bkf8n66mqjr72rh2rh308qij00ymrga8"; }
   ];
+
+  plexusCompilerApi_2_4 = map (obj: fetchMaven {
+    version = "2.4";
+    artifactId = "plexus-compiler-api";
+    groupId = "org.codehaus.plexus";
+    sha512 = obj.sha512;
+    type = obj.type;
+  }) [
+    { type = "jar"; sha512 = "1xm0lv43dbg33prr0vc7g3vv0r07qc7kxjjbpqkxyh60vryd9q2wj3r656z4x8fwwqjrpr9xb4lmn4nm0c1cn85xzhfpxiq13rnl8cr"; }
+    { type = "pom"; sha512 = "0mqghnfagrmws585bvdwbpf1c719jvbmhwb318vw661cjfzj1b55nvjxza49bx5y38kwnwk0cqk9f26pv323ng09iifyjxgzafqq479"; }
+  ];
 }