repairing pandoc versions divergence

Author: pedro

test/expected/override-environment-context.out

@@ -1,5 +1,5 @@
 \startmyepigraph
 
-Content with a per-block environment= override.
+Content with a per-block environment override.
 
 \stopmyepigraph

test/expected/override-environment-latex.out

@@ -1,5 +1,5 @@
 \begin{myepigraph}
 
-Content with a per-block environment= override.
+Content with a per-block environment override.
 
 \end{myepigraph}

test/expected/override-environment-typst.out

@@ -1,4 +1,4 @@
 #block[
-Content with a per-block environment= override.
+Content with a per-block environment override.
 
 ] <myepigraph>

test/input/override-environment.md

@@ -5,5 +5,5 @@ container-writer:
 ---
 
 ::: {.epigraph environment=myepigraph}
-Content with a per-block environment= override.
+Content with a per-block environment override.
 :::