Bump spirv-tools, spirv-headers, effcee, and re2 submodules (#4493)

kuhar · web-flow · commit ae943bc57616 · 2022-06-01T14:20:16.000-04:00
diff --git a/external/SPIRV-Headers b/external/SPIRV-Headers
@@ -1 +1 @@
-Subproject commit b765c355f488837ca4c77980ba69484f3ff277f5
+Subproject commit b2a156e1c0434bc8c99aaebba1c7be98be7ac580
diff --git a/external/SPIRV-Tools b/external/SPIRV-Tools
@@ -1 +1 @@
-Subproject commit f74b85853c35b0dc973b92037f09db591f3e3fec
+Subproject commit b930e734ea198b7aabbbf04ee1562cf6f57962f0
diff --git a/external/effcee b/external/effcee
@@ -1 +1 @@
-Subproject commit cd25ec17e9382f99a895b9ef53ff3c277464d07d
+Subproject commit ddf5e2bb92957dc8a12c5392f8495333d6844133
diff --git a/external/re2 b/external/re2
@@ -1 +1 @@
-Subproject commit 4c916c947ab7f2ba2d280bb8c87540c365d30695
+Subproject commit 3e9622e0cd94ebba6e04d5c50b7af32029e330d8
