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-javac.nix

@@ -11,4 +11,15 @@
     { type = "jar"; sha512 = "12xsiaqd1q6mmmkcsxf4nr4wdjl8fa1nwz32yqwrrbj9cgakph0368cnk1apjzngsmnl6bws87nlxcz64sg0rb7i2vdzggplj0a41br"; }
     { type = "pom"; sha512 = "1fv2ij4h9xmzv3f5mvs0ilhkw7khkw5v8n1d97a2canfn254fipz7pd9nkmkqzjvy3cqwiczyh2nzibvcii624p8ggwl4s3yjw92jx4"; }
   ];
+
+  plexusCompilerJavac_2_4 = map (obj: fetchMaven {
+    version = "2.4";
+    artifactId = "plexus-compiler-javac";
+    groupId = "org.codehaus.plexus";
+    sha512 = obj.sha512;
+    type = obj.type;
+  }) [
+    { type = "jar"; sha512 = "272iaf7mgmhjssj0k4a9r8rzb3c8pskb4aqypcdvj217l8hbih6rsqhh9nd2xmwrwa1ifvc336b8ihz6f419lj74gp4p1za6mp0nps3"; }
+    { type = "pom"; sha512 = "1g16i5w610nsh9h0yyhw25fpr2lx562c4v8y17lw53imi4rhm0m709ysrbrh71rhv6f8g4i5d6wgps77jmdb5kn2h5k1n4n644wrd12"; }
+  ];
 }