Increase all slurm timeouts to 30 minutes (#21)

Related to #20

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For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/WATonomous/slurm-gha/issues/20?shareId=XXXX-XXXX-XXXX-XXXX).

runner_size_config.py

@@ -7,11 +7,11 @@ def get_runner_resources(runner_label):
     Based on https://github.com/WATonomous/infra-config/blob/b604376f4ee9fa3336b11dc084ba90b962ec7ee1/kubernetes/github-arc/get-config.py#L120-L142
     """
     if runner_label == "slurm-runner-small":
-        return {"cpu" : 1, "mem-per-cpu" : "2G", "tmpdisk" : 4096, "time" : "00:15:00"}
+        return {"cpu" : 1, "mem-per-cpu" : "2G", "tmpdisk" : 4096, "time" : "00:30:00"}
     elif runner_label == "slurm-runner-medium":
-        return {"cpu" : 2, "mem-per-cpu" : "2G", "tmpdisk" : 16384, "time" : "00:20:00"}
+        return {"cpu" : 2, "mem-per-cpu" : "2G", "tmpdisk" : 16384, "time" : "00:30:00"}
     elif runner_label == "slurm-runner-large":
-        return {"cpu" : 4, "mem-per-cpu" : "2G", "tmpdisk" : 16384, "time" : "00:25:00"}
+        return {"cpu" : 4, "mem-per-cpu" : "2G", "tmpdisk" : 16384, "time" : "00:30:00"}
     elif runner_label == "slurm-runner-xlarge":
         return {"cpu" : 16, "mem-per-cpu" : "2G", "tmpdisk" : 16384, "time" : "00:30:00"}
     else: