Fix broken Javadoc links

src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppCredentials.java

@@ -86,7 +86,7 @@ public class GitHubAppCredentials extends BaseStandardCredentials implements Sta
             Long.getLong(GitHubAppCredentials.class.getName() + ".AFTER_TOKEN_GENERATION_DELAY_SECONDS", 0);
 
     /**
-     * Controls whether {@link GitHubProjectProperty} is considered by {@link #forRun} for Pipeline builds.
+     * Controls whether {@link GithubProjectProperty} is considered by {@link #forRun} for Pipeline builds.
      * <p>{@link RepositoryAccessStrategy} is intended to prevent users with the ability to edit a Jenkinsfile in a
      * single repository from being able to use GitHub app credentials available to that Pipeline to access other
      * repositories. The existence of the {@code properties} step means that job properties may not be trusted for

src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppUsageContext.java

@@ -13,14 +13,14 @@
  * Holds the inferred owner, repository, and required permissions for whatever operation is going
  * to be performed by the code that looked up these credentials.
  *
- * <p>Context is inferred either in {@link Connector#lookupScanCredentials} or {@link #forRun}.
- * Each call to {@link #contextualize} for a distinct context returns a different instance of
+ * <p>Context is inferred either in {@link Connector#lookupScanCredentials} or {@link GitHubAppCredentials#forRun}.
+ * Each call to {@link GitHubAppCredentials#contextualize} for a distinct context returns a different instance of
  * these {@link GitHubAppCredentials}.
  *
- * @see #contextualize
- * @see #cachedCredentials
- * @see #getAccessibleRepositories
- * @see #getPermissions
+ * @see GitHubAppCredentials#contextualize
+ * @see GitHubAppCredentials#cachedCredentials
+ * @see GitHubAppCredentials#getAccessibleRepositories
+ * @see GitHubAppCredentials#getPermissions
  * @see RepositoryAccessStrategy#forContext
  */
 @Restricted(NoExternalUse.class)

src/main/java/org/jenkinsci/plugins/github_branch_source/app_credentials/RepositoryAccessStrategy.java

@@ -4,6 +4,7 @@
 import hudson.model.AbstractDescribableImpl;
 import hudson.model.Descriptor;
 import java.io.Serializable;
+import org.jenkinsci.plugins.github_branch_source.GitHubAppCredentials;
 import org.jenkinsci.plugins.github_branch_source.GitHubAppUsageContext;
 
 /**