Roll shaders-base from 45116d485d17 to 75c3a7bb1f19

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/shaders-base-skia
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is aware of the problem.

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Tbr: lovisolo@google.com
Change-Id: I5b9655d3b8367d307ef5d4ed73ffdba905a8d5fa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/756945
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/WORKSPACE.bazel b/WORKSPACE.bazel
index 4d55a39..f71b8a1 100644
--- a/WORKSPACE.bazel
+++ b/WORKSPACE.bazel
@@ -568,7 +568,7 @@
 # Pulls the gcr.io/skia-public/shaders-base container.
 container_pull(
     name = "shaders-base",
-    digest = "sha256:45116d485d17e073a6dc04016cd0aed0d2bf24916fbbcde6fd33698edcad08a7",
+    digest = "sha256:75c3a7bb1f1964fb5dd07cda42d2af73d117625aa9cd154898741beef95a24c2",
     registry = "gcr.io",
     repository = "skia-public/shaders-base",
 )