Update wording in diagram to "collusive" from "collusion" and also in…

… alt text.

diagrams/VerifierIssuerCollusion.drawio

@@ -1,6 +1,6 @@
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@@ -38,7 +38,7 @@
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+        <mxCell id="cMt4WiRhtkRWSCWRY2kM-1" value="Colllusive&lt;br&gt;data sharing" style="endArrow=classic;startArrow=classic;html=1;rounded=0;exitX=0.347;exitY=0.078;exitDx=0;exitDy=0;dashed=1;strokeWidth=2;strokeColor=#FF0000;entryX=0;entryY=0.5;entryDx=0;entryDy=0;exitPerimeter=0;labelBackgroundColor=none;" parent="1" source="1ea317790d2ca983-7" target="1ea317790d2ca983-1" edge="1">
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@@ -47,7 +47,7 @@
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diagrams/VerifiersCollusion.drawio

@@ -1,6 +1,6 @@
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@@ -38,13 +38,13 @@
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index.html

@@ -2205,7 +2205,7 @@ <h3>Selective Disclosure and Unlinkability</h3>
 connected to a circle label holder below. From the circle labeled holder there
 are multple arrows to additional circles labeled verifiers. From the circles
 labeled verifiers there are dashed arrows back to the circle labeled issuer
-showing collusion data flow.">
+showing collusive data flow.">
           <figcaption style="text-align: center;">
 Verifier to issuer collusion.
           </figcaption>
@@ -2218,7 +2218,7 @@ <h3>Selective Disclosure and Unlinkability</h3>
 connected to a circle label holder below. From the circle labeled holder there
 are multple arrows to additional circles labeled verifiers. From the circles
 labeled verifiers there are dashed arrows back to other circles labeled issuer
-to show verifier to verifier collusion data flows.">
+to show verifier to verifier collusive data flows.">
           <figcaption style="text-align: center;">
 Verifier to verifier collusion.
           </figcaption>