chore: Fix Remark CI

ChangeLog:

	* CONTRIBUTING.md: Fix invalid line length.
	* README.md: Likewise.

CONTRIBUTING.md

@@ -4,7 +4,8 @@
 
 * **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/Rust-GCC/gccrs/issues).
 
-* If you're unable to find an open issue addressing the problem, [open a new one](https://github.com/Rust-GCC/gccrs/issues/new).
+* If you're unable to find an open issue addressing the problem,
+  [open a new one](https://github.com/Rust-GCC/gccrs/issues/new).
   Be sure to include a **title and clear description**, as much relevant information as possible, and a **code sample**
   or an **executable test case** demonstrating the expected behavior that is not occurring.
 
@@ -15,7 +16,8 @@
 * Ensure the PR description clearly describes the problem and solution. Include the relevant issue number if applicable.
 
 * Before submitting, GCC development requires copyright assignment or the Developer's Certificate of Origin sign-off.
-   Please see the [Contributing to GCC](https://gcc.gnu.org/contribute.html) guide or [Developer's Certificate of Origin (DCO) Sign-off](https://gcc.gnu.org/dco.html) guide.
+   Please see the [Contributing to GCC](https://gcc.gnu.org/contribute.html) guide or
+  [Developer's Certificate of Origin (DCO) Sign-off](https://gcc.gnu.org/dco.html) guide.
 
 * Patches sent to the [`gcc-rust` mailing list](https://gcc.gnu.org/mailman/listinfo/gcc-rust) are likewise welcome.
 These will be imported into a GitHub PR to follow the normal review process,

README.md

@@ -217,7 +217,8 @@ If you want to contribute to GCC Rust, you can find more information in [CONTRIB
 
 Please be aware this project is designed to be pushed upstream to GCC when we reach some milestones,
 and this means we require copyright assignment or the Developer's Certificate of Origin sign-off.
-Please see the [Contributing to GCC](https://gcc.gnu.org/contribute.html) guide or [Developer's Certificate of Origin (DCO) Sign-off](https://gcc.gnu.org/dco.html) guide.
+Please see the [Contributing to GCC](https://gcc.gnu.org/contribute.html) guide or
+[Developer's Certificate of Origin (DCO) Sign-off](https://gcc.gnu.org/dco.html) guide.
 
 Not all contributions must be code; we would love to see new test cases or bugs and issues to be reported.
 Feel free to add any comments on open PRs