Fix typos

Signed-off-by: Dimitris Apostolou <dimitris.apostolou@icloud.com>

plugins/git-release-manager/src/components/Differ.test.tsx

@@ -52,7 +52,7 @@ describe('Differ', () => {
     expect(next).not.toBeInTheDocument();
   });
 
-  it('should render icon & current & next (with seperator)', () => {
+  it('should render icon & current & next (with separator)', () => {
     const { getByTestId, queryByTestId } = render(
       <Differ
         icon="branch"

plugins/git-release-manager/src/features/Features.tsx

@@ -53,7 +53,7 @@ export function Features({
   if (gitBatchInfo.error) {
     return (
       <Alert severity="error">
-        Error occured while fetching information for "{project.owner}/
+        Error occurred while fetching information for "{project.owner}/
         {project.repo}" ({gitBatchInfo.error.message})
       </Alert>
     );