Update pyminify to return the input source unchanged if it can't be m… #532

Job	Run time
Test Windows (3.6)	1m 7s
Test Windows (3.7)	1m 9s
Test Windows (3.10)	1m 0s
Test Windows (3.12)	37s
Test Windows (3.9)	42s
Linting	24s
Test Windows (2.7)	2m 2s
Test Windows (3.13)	46s
Lint Dockerfiles (Dockerfile-fedora32)	7s
Lint Dockerfiles (Dockerfile-fedora40)	10s
Lint Dockerfiles (Dockerfile-fedora34)	6s
Test Windows (3.8)	1m 15s
Lint Dockerfiles (Dockerfile-fuzz)	9s
Lint Dockerfiles (Dockerfile-fedora30)	10s
Test (python3.3)	27s
Lint Dockerfiles (Dockerfile-fedora38)	9s
Test Windows (3.11)	49s
Test (python2.7)	23s
Lint Dockerfiles (Dockerfile-fedora36)	10s
Test (python3.4)	26s
Test (python3.7)	24s
Lint Dockerfiles (Dockerfile-fedora28)	7s
Test (python3.5)	25s
Test (python3.10)	41s
Test (python3.8)	25s
Test (python3.6)	22s
Test (pypy)	30s
Test (python3.12)	34s
Test (pypy3)	35s
Test (python3.11)	29s
Test (python3.9)	29s
Test (python3.13)	37s
	17m 46s

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