Previously these arguments were optional only, but it appears the read operation can now return non-nil values for these attributes when `max_capacity` is set. Marking these as optional/computed prevents persistent differences (and fixes several failing acceptance tests).

```console
% make testacc PKG=glue TESTS=TestAccGlueJob_
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.21.8 test ./internal/service/glue/... -v -count 1 -parallel 20 -run='TestAccGlueJob_'  -timeout 360m

--- PASS: TestAccGlueJob_rayJob (31.89s)
--- PASS: TestAccGlueJob_disappears (33.39s)
--- PASS: TestAccGlueJob_basicStreaming (36.27s)
--- PASS: TestAccGlueJob_basic (38.12s)
--- PASS: TestAccGlueJob_nonOverridableArguments (54.61s)
--- PASS: TestAccGlueJob_description (54.71s)
--- PASS: TestAccGlueJob_defaultArguments (54.78s)
--- PASS: TestAccGlueJob_maxCapacity (54.89s)
--- PASS: TestAccGlueJob_timeout (54.91s)
--- PASS: TestAccGlueJob_command (55.50s)
--- PASS: TestAccGlueJob_security (55.58s)
--- PASS: TestAccGlueJob_executionClass (55.72s)
--- PASS: TestAccGlueJob_streamingTimeout (55.78s)
--- PASS: TestAccGlueJob_maxRetries (56.43s)
--- PASS: TestAccGlueJob_executionProperty (56.49s)
--- PASS: TestAccGlueJob_notificationProperty (57.15s)
--- PASS: TestAccGlueJob_tags (63.00s)
--- PASS: TestAccGlueJob_glueVersion (63.46s)
--- PASS: TestAccGlueJob_pythonShell (73.20s)
--- PASS: TestAccGlueJob_workerType (79.32s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/glue       84.990s
```