Update pulumi/pulumi dependency to 3.187.0 (#568)

Fixes https://github.com/pulumi/pulumi-docker-build/issues/551
(sort of - the underlying problem that this repo pins SDK dependencies
that don't get automatically update by the workflow still exists, but it
should at least work until the codegen APIs change again.)

sdk/python/pulumi_docker_build/_enums.py

@@ -2,7 +2,7 @@
 # *** WARNING: this file was generated by pulumi-language-python. ***
 # *** Do not edit by hand unless you're certain you know what you are doing! ***
 
-import builtins
+import builtins as _builtins
 import pulumi
 from enum import Enum
 
@@ -15,7 +15,7 @@ __all__ = [
 
 
 @pulumi.type_token("docker-build:index:CacheMode")
-class CacheMode(builtins.str, Enum):
+class CacheMode(_builtins.str, Enum):
     MIN = "min"
     """
     Only layers that are exported into the resulting image are cached.
@@ -27,7 +27,7 @@ class CacheMode(builtins.str, Enum):
 
 
 @pulumi.type_token("docker-build:index:CompressionType")
-class CompressionType(builtins.str, Enum):
+class CompressionType(_builtins.str, Enum):
     GZIP = "gzip"
     """
     Use `gzip` for compression.
@@ -43,7 +43,7 @@ class CompressionType(builtins.str, Enum):
 
 
 @pulumi.type_token("docker-build:index:NetworkMode")
-class NetworkMode(builtins.str, Enum):
+class NetworkMode(_builtins.str, Enum):
     DEFAULT = "default"
     """
     The default sandbox network mode.
@@ -59,7 +59,7 @@ class NetworkMode(builtins.str, Enum):
 
 
 @pulumi.type_token("docker-build:index:Platform")
-class Platform(builtins.str, Enum):
+class Platform(_builtins.str, Enum):
     DARWIN_386 = "darwin/386"
     DARWIN_AMD64 = "darwin/amd64"
     DARWIN_ARM = "darwin/arm"